Home / 1,040,118.20-1,560,350.10-409,052.60

Finding the Fourth Proportional to 1,040,118.20, 1,560,350.10 and 409,052.60

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Solution

The fourth proportional to 1,040,118.20, 1,560,350.10 and 409,052.60 is: 613,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,118.20 : 1,560,350.10 = 409,052.60 : x
  2. Step 2: Convert to fraction form
    1,040,118.20/1,560,350.10 = 409,052.60/x
  3. Step 3: Cross multiply
    1,040,118.20x = 1,560,350.10 × 409,052.60
  4. Step 4: Simplify right side
    1,040,118.20x = 638,265,265,315.26
  5. Step 5: Solve for x
    x = 638,265,265,315.26/1,040,118.20
  6. Step 6: Final answer
    x = 613,646.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.